Abstract

Oxygen in various organic compounds was directly converted to carbon monoxide by decomposing a sample in a graphite crucible at higher than 1800° C. The decomposition products containing the monoxide were purified with soda-asbestos and heated copper wire using argon as a carrier gas. Then the monoxide was oxidized with heated copper(II) oxide. Carbon dioxide produced was absorbed with dimethylformamide containing 2-aminoethanol, and was titrated with a standard solution of tetra-n-butylammonium hydroxide in benzene plus some methanol using thymolphthalein as an indicator.

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